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Cheap Mercedes Benz Slk cars under £20,000

With a budget of £20,000 you can grab a great bargain. Most of the cars advertised on our site are heavily reduced in price and come with a free history check

191 Mercedes Benz Slk cars under £20,000 - 79 reductions


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Recently reduced (79)

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 Xclusive Xports, Ashendene Farm, Bayford

£13,450
Was £13,950 Save £500

Mercedes Benz SLK 2.0 SLK300 AMG Sport Convertible 2dr Petrol G Tronic Euro 6 (s/s) (245 ps)

2015  |   56,000 miles  |   Convertible  |   1991  |   petrol  |   automatic  |   2 doors

With airbags, radio, heated front seat, 18in alloy wheels, heated seats, heated front seats, petrol, leather interior, pas, sat nav, full service history, paddle shift, leather, abs, passenger, cruise control, anti lock braking system, air con, black, blu...eee

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 Xclusive Xports, Ashendene Farm, Bayford

£13,450
Was £13,750 Save £300

Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)

2015  |   39,500 miles  |   Convertible  |   2143  |   diesel  |   automatic  |   2 doors

Featuring radio, air conditioning, audio, driver, cruise control, parking sensors, leather, heated seats, leather interior, airbags, bluetooth, air con, black, paddle shift, passenger, 1 owner, dab radio, service history, sat nav, alarm, abs, full service hist...eee

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 Moss Prestige Ltd, 30 Albert Street, Huddersfield

£12,995
Was £13,995 Save £1,000

Mercedes Benz SLK 2.1 SLK250d Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)

2016  |   25,000 miles  |   Convertible  |   2143  |   diesel  |   automatic  |   2 doors

Comes with air con, bluetooth, airbags, sat nav, warranty, airbag, diesel, alloys, air conditioning, service history, 17in alloy wheels, 12 months mot, anti lock braking system, driver, alloy wheels, mot, sports seats, convertible, abs, cloth, pas, part exchang...eee

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 SKS Cars Ltd, 1-9 Barton Road, Milton Keynes

£12,495
Was £12,995 Save £500

Mercedes Benz SLK 1.8 SLK200 AMG SPORT EDITION 2d 184 BHP

2014  |   32,000 miles  |   Convertible  |   1796  |   petrol  |   automatic  |   2 doors

This model has leather, remote boot release, dab digital radio, speed limiter, locking wheel bolts, electrically adjustable and heated door mirrors, daytime running lights, remote central locking, service indicator, immobiliser, body coloured bumpers, passenger, ou...eee

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 MP Motor Company Ltd Brock, Garstang Road, Lancashire

£11,995
Was £12,295 Save £300

Mercedes Benz SLK 2.1 SLK250 CDI AMG Sport Convertible 2dr Diesel G Tronic+ Euro 5 (s/s) (204 ps)

2014  |   21,000 miles  |   Convertible  |   2143  |   diesel  |   automatic  |   2 doors

Features include hpi clear, service history, leather seats, navigation system, heated front seat, parking sensors, abs, cruise control, alloy wheels, automatic, automatic transmission, leather, full service history, bluetooth connectivity, climate control, cd, blueto...eee

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 Alpha Motors (Wigan) Limited, Park Lane Garage, Wigan

£11,990
Was £12,990 Save £1,000

Mercedes Benz SLK 2.0 SLK200 AMG Sport Convertible 2dr Petrol Manual Euro 6 (s/s) (184 ps)

2016  |   41,497 miles  |   Convertible  |   1991  |   petrol  |   manual  |   2 doors

With alloy wheels, passenger, cruise control, mot, daytime running lights, warranty, usb, alloys, radio, black, leather seats, bluetooth, led daytime running lights, climate control, 2 keys, hpi clear, pas, electric mirrors, service history, driver, cd, e...eee

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 Alpino Cars, 568 Wilmslow Road, Manchester

£11,000
Was £12,000 Save £1,000

Mercedes Benz SLK 2.1 SLK250 CDI BLUEEFFICIENCY AMG SPORT 2d 204 BHP

2014  |   49,539 miles  |   Convertible  |   2143  |   diesel  |   automatic  |   2 doors

This model has black, immobiliser, pas, abs with brake assist, bluetooth, cruise control, automatic, multi function steering wheel, dual stage driver/passenger airbags, automatic climate control, brake assist, diesel particulate filter, leather, alarm, remote boot ...eee

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 Ron Hodgson Specialist Cars, Leeds Street, Wigan

£10,995
Was £11,350 Save £355

Mercedes Benz SLK 1.8 SLK200 BlueEfficiency AMG Sport Convertible 2dr Petrol G Tronic+ Euro 5 (s/s) (184 ps)

2012  |   34,930 miles  |   Convertible  |   1796  |   petrol  |   automatic  |   2 doors

Includes anti lock braking system, driver, heated seats, black, immobiliser, petrol, pas, alloy wheels, hill start assist, parktronic, automatic transmission, leather, passenger, 18in alloy wheels, convertible, leather interior, audio, automatic, wind deflect...eee

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 GK Motors Ltd, 15 Millway, Mansfield Woodhouse

£10,622
Was £10,711 Save £89

Mercedes Benz SLK 2.1 SLK250 CDI AMG Sport Convertible 2dr Diesel G Tronic+ Euro 5 (s/s) (204 ps)

2015  |   56,922 miles  |   Convertible  |   2143  |   diesel  |   automatic  |   2 doors

This model has bluetooth interface, air con, bluetooth, airbag, automatic, brake assist, driver, alloy wheels, black, air conditioning, 18in alloy wheels, full leather, mot, alloys, alarm, leather, audio 20, convertible, airbags, diesel, audio, pas, passenger, serv...eee

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 Garage on the Green, The Green, St. Leonards-On-Sea

£10,495
Was £11,495 Save £1,000

Mercedes Benz SLK 2.1 SLK250 CDI BlueEfficiency AMG Sport G Tronic+ Euro 5 (s/s) 2dr Only 39000 Miles

2012  |   39,000 miles  |   Convertible  |   2143  |   diesel  |   automatic  |   0 doors

Options include radio, bluetooth, locking wheel bolts, abs, wind deflector, centre console, central locking, electronic stability programme, passenger, usb, brake assist, airbag, alarm, cd, esp, remote central locking, audio 20, audio, anti lock braking system, blue...eee





191 cars under £20,000

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 DT Performance Cars, Unit 1A, Atherstone

£19,950

Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2dr Petrol Automatic (288 g/km, 360 bhp)

2005  |   48,432 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

Options include spare wheel, adjustable steering column/wheel, central door locking, air bag driver, steering wheel mounted controls, power assisted steering, computer, alloy wheels, speakers, pas, leather, electronic stability programme, anti lock brakes, electric ...eee

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 St James Motor Company William Street, 4 Muira Estate, Hampshire

£19,490

Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2dr Petrol 7G Tronic (288 g/km, 360 bhp)

2007  |   61,000 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

Includes computer, climate control, black, leather, steering wheel mounted controls, alarm, exterior lighting, cruise control, immobiliser, adjustable steering column, steering wheel leather, electronic stability programme, full service history, service histo...eee

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 Performance Paddock, Unit 27 Laker Road, Rochester

£17,970

Mercedes Benz SLK 5.5 SLK55 V8 AMG Convertible 2dr Petrol SpdS+7GT Euro 5 (s/s) (421 ps)

2012  |   79,000 miles  |   Convertible  |   5461  |   petrol  |   automatic  |   2 doors

Features include ambient lighting, service history, 18in alloy wheels, driver, alloys, hpi clear, rain sensing wipers, leather interior, heated seats, warranty, parktronic, black, leather, alloy wheels, automatic...eee

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 RS Motor Sales, Tadcaster, North Yorkshire

£16,581

Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2dr Petrol Automatic (288 g/km, 360 bhp)

2005  |   50,000 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

Features on this model include We have much more to tell you about this car so please feel free to call us for more details...eee

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 Troon Cars LTD, 33 Wenlock Way, Leicester

£15,500

Mercedes Benz SLK 1.8 SLK250 AMG Sport Convertible 2dr Petrol G Tronic+ Euro 5 (s/s) (204 ps)

2014  |   22,100 miles  |   Convertible  |   1796  |   petrol  |   automatic  |   2 doors

This car has black, dab radio, 2 keys, 18in alloy wheels, mot, part exchange welcome, parktronic, leather interior, pas, alloy wheels, finance available, bluetooth, anti lock braking system, air con, heated front seats, radio, passenger, petrol, rear parking sens...eee

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 Snippersgate, Easington Lane, Houghton-Le-Spring

£15,000

Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2d 5439cc 7G Tronic

2007  |   63,000 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

Featuring adjustable steering column, air bag, speakers, electric windows, alloy wheels, climate control, steering wheel mounted controls, spare wheel, electric windows (front), adjustable steering column/wheel, leather, central door locking, driver...eee

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 Snippersgate, Easington Lane, Houghton-Le-Spring

£14,000

Mercedes Benz SLK 5.4 SLK55 AMG 2d AUTO 356 BHP

2007  |   40,000 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

This car has cruise control, air bag driver, passenger, immobiliser, exterior lighting, adjustable steering column/wheel, central door locking, adjustable steering column, computer, alloy wheels, air bag passenger, alarm, tinted glass, power assisted steering, el...eee

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 Tynemouth Motor Company Select Cars, Blue Pigeon Cosalt, North Shields

£13,999

Mercedes Benz SLK Mercedes Benz SLK 320 Auto Convertible

2002  |   14,543 miles  |   Convertible  |   3200  |   petrol  |   automatic  |   2 doors

Comes with 1 owner, computer, adjustable steering column, leather, central door locking, adjustable steering column/wheel, low mileage, air con, head restraints, power assisted steering, cruise control, electric windows, anti lock brakes, speakers, electric win...eee

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 I & K Motors Ltd, Blackhall Industrial Estate, Inverurie

£13,999

Mercedes Benz SLK 2.1 SLK 250 D AMG SPORT 2d 201 BHP

2016  |   30,556 miles  |   Convertible  |   2143  |   diesel  |   automatic  |   2 doors

Features on this model include We have much more to tell you about this car so please feel free to call us for more details...eee

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 Xclusive Xports, Ashendene Farm, Bayford

£13,450
Was £13,950 Save £500

Mercedes Benz SLK 2.0 SLK300 AMG Sport Convertible 2dr Petrol G Tronic Euro 6 (s/s) (245 ps)

2015  |   56,000 miles  |   Convertible  |   1991  |   petrol  |   automatic  |   2 doors

Features include leather interior, abs, airbag, passenger, full service history, airbags, heated front seat, alloy wheels, parking sensors, cruise control, bluetooth, heated seats, service history, leather, sat nav, petrol, anti lock braking system, air con, radio, b...eee






We currently have 191 Mercedes Benz Slk cars available across the UK priced under £20000.

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